add configurators for ktor server

core/ktor/server/build.gradle

@@ -0,0 +1,41 @@
+buildscript {
+    repositories {
+        mavenLocal()
+        jcenter()
+        mavenCentral()
+    }
+
+    dependencies {
+        classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version"
+        classpath "org.jetbrains.kotlin:kotlin-serialization:$kotlin_version"
+        classpath "com.jfrog.bintray.gradle:gradle-bintray-plugin:$gradle_bintray_plugin_version"
+    }
+}
+
+plugins {
+    id "org.jetbrains.kotlin.plugin.serialization" version "$kotlin_version"
+}
+
+project.version = "$core_version"
+project.group = "com.insanusmokrassar"
+
+apply plugin: "java-library"
+apply plugin: "kotlin"
+
+repositories {
+    mavenLocal()
+    jcenter()
+    mavenCentral()
+    maven { url "https://kotlin.bintray.com/kotlinx" }
+}
+
+dependencies {
+    implementation "org.jetbrains.kotlin:kotlin-stdlib:$kotlin_version"
+
+    api projectByName("postssystem.core.ktor.common")
+    api projectByName("postssystem.ktor.server")
+
+    testImplementation "org.xerial:sqlite-jdbc:$test_sqlite_version"
+    testImplementation "org.jetbrains.kotlin:kotlin-test"
+    testImplementation "org.jetbrains.kotlin:kotlin-test-junit"
+}

ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/configurators/ApplicationCachingHeadersConfigurator.kt

@@ -0,0 +1,21 @@
+package com.insanusmokrassar.postssystem.ktor.server.configurators
+
+import io.ktor.application.Application
+import io.ktor.application.install
+import io.ktor.features.CachingHeaders
+import kotlinx.serialization.ContextualSerialization
+
+data class ApplicationCachingHeadersConfigurator(
+    private val elements: List<@ContextualSerialization Element>
+) : KtorApplicationConfigurator{
+    interface Element { operator fun CachingHeaders.Configuration.invoke() }
+
+    override fun Application.configure() {
+        install(CachingHeaders) {
+            elements.forEach {
+                it.apply { invoke() }
+            }
+        }
+    }
+}
+

ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/configurators/ApplicationRoutingConfigurator.kt

@@ -0,0 +1,26 @@
+package com.insanusmokrassar.postssystem.ktor.server.configurators
+
+import io.ktor.application.*
+import io.ktor.routing.Routing
+import kotlinx.serialization.ContextualSerialization
+import kotlinx.serialization.Serializable
+
+@Serializable
+class ApplicationRoutingConfigurator(
+    private val elements: List<@ContextualSerialization Element>
+) : KtorApplicationConfigurator {
+    interface Element { operator fun Routing.invoke() }
+
+    override fun Application.configure() {
+        try {
+            feature(Routing)
+        } catch (e: IllegalStateException) {
+            install(Routing) {
+                elements.forEach {
+                    it.apply { invoke() }
+                }
+            }
+        }
+    }
+}
+

ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/configurators/ApplicationSessionsConfigurator.kt

@@ -0,0 +1,20 @@
+package com.insanusmokrassar.postssystem.ktor.server.configurators
+
+import io.ktor.application.Application
+import io.ktor.application.install
+import io.ktor.sessions.Sessions
+import kotlinx.serialization.ContextualSerialization
+
+class ApplicationSessionsConfigurator(
+    private val elements: List<@ContextualSerialization Element>
+) : KtorApplicationConfigurator {
+    interface Element { operator fun Sessions.Configuration.invoke() }
+
+    override fun Application.configure() {
+        install(Sessions) {
+            elements.forEach {
+                it.apply { invoke() }
+            }
+        }
+    }
+}

ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/configurators/KtorApplicationConfigurator.kt

@@ -0,0 +1,7 @@
+package com.insanusmokrassar.postssystem.ktor.server.configurators
+
+import io.ktor.application.Application
+
+interface KtorApplicationConfigurator {
+    fun Application.configure()
+}

ktor/server/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/ktor/server/configurators/StatusPagesConfigurator.kt

@@ -0,0 +1,21 @@
+package com.insanusmokrassar.postssystem.ktor.server.configurators
+
+import io.ktor.application.Application
+import io.ktor.application.install
+import io.ktor.features.StatusPages
+import kotlinx.serialization.ContextualSerialization
+
+class StatusPagesConfigurator(
+    private val elements: List<@ContextualSerialization Element>
+) : KtorApplicationConfigurator {
+    interface Element { operator fun StatusPages.Configuration.invoke() }
+
+    override fun Application.configure() {
+        install(StatusPages) {
+            elements.forEach {
+                it.apply { invoke() }
+            }
+        }
+    }
+}
+

settings.gradle

@@ -18,6 +18,7 @@ String[] includes = [
     ':core:ktor',
     ':core:ktor:common',
     ':core:ktor:client',
+    ':core:ktor:server',
 
     ':publishing:api',
     ':publishing:exposed',